Rohde Schwarz
Specifications of CMD50/52
GSM specifications of CMD53/55/65
RF generator 1
Frequency range
RF generator 1
Frequency range
GSM900
GSM1800
GSM19002)
Frequency error
Resolution
Frequency setting time
Output level
RF IN/OUT
RF OUT 21)
Resolution
Level error RF IN/OUT
RF OUT 2
Harmonics (RF IN/OUT)
Modulation
Phase error
Frequency error
Resolution
Frequency setting time
Output level (RF IN/OUT)
(RF OUT 2)
Resolution
Level error (RF IN/OUT)
(RF OUT 2)
Harmonics (RF IN/OUT)
Modulation
Phase error
RF generator 2
Frequency range, frequency error,
resolution, setting time, level
resolution, harmonics, modulation
and phase error
Maximum output level
RF IN/OUT
RF OUT 2
Level error
RF IN/OUT
RF OUT 2
Peak power meter (RF IN/OUT)
Frequency range
Measurement range
Resolution
Error in GSM band
890.2 MHz to 914.8 MHz
VSWR
GSM phase and frequency error
measurement
Frequency range
Level range
RF IN/OUT
RF IN 2
Inherent phase error
Frequency measurement error
GSM burst power measurement
Frequency range
Reference level for full
dynamic range
RF IN/OUT
RF IN 2
Absolute measurement error of
peak power
RF IN/OUT
RF IN 2
Resolution in active part of
timeslot
Burst analysis
with wide dynamic range
Relative error of individual
test sample
Dynamic range
Measurement limit RF IN/OUT
Measurement limit RF IN 2
1
2
3
GSM900 band:
935.2 MHz to 959.8 MHz
same as time base
GSM channel spacing: 200 kHz
≤3 ms for phase error <2°
−33 dBm to −120 dBm
+13 dBm to −77 dBm
0.1 dB
≤1.5 dB (≤1 dB at −104 dBm)
≤2 dB
<−30 dBc
GMSK, B x T = 0.3
≤4° rms, ≤10° peak
see RF generator 1
−35 dBm
+11 dBm
≤1.5 dB
≤2 dB
800 MHz to 1000 MHz
10 dBm to 47 dBm
0.1 dB
≤0.5 dB + resolution (P >13 dBm)
≤1.3
with option CMD-B4
GSM900 band:
890.2 MHz to 914.8 MHz
10 dBm to 47 dBm
−60 dBm to 0 dBm
<1.5° rms, <5° peak
<5 Hz + time base
with option CMD-B4
GSM900 band:
890.2 MHz to 914.8 MHz
Peak power meter (RF IN/OUT)
Frequency range
Measurement range
GSM900 band
GSM1800/1900 band
Resolution
Error in GSM900 band
Error in GSM1800/1900 band
VSWR
Phase/frequency error measurement
Frequency range
GSM900
GSM1800
GSM19002)
Level range
RF IN/OUT
3)
10 dBm to 47 dBm
−37 dBm to 0 dBm
see peak power meter
≤1 dB
0.1 dB
with option CMD-B42
≤1.5 dB to 72 dB below peak power
>72 dB
<−36 dBm
<−83 dBm
The maximum RF output level of the CMD65 in the GSM900/1800/
1900
band is 2 dB lower than in the CMD5x basic unit
In GSM1900 mode with option CMD-B19/-U19 fitted.
The sensitivity of the CMD65 in the GSM900/1800/1900 band is 2 dB
lower than in the CMD5x basic unit.
12
RF generator 2
Frequency range, frequency error,
resolution, setting time, level
resolution, harmonics, modulation
and phase error
Maximum output level
RF IN/OUT
RF OUT 21)
Level error
RF IN/OUT
RF OUT 2
RF IN 2
Inherent phase error
Frequency measurement error
935.2 MHz to 959.8 MHz
1805.2 MHz to 1879.8 MHz
1930.2 MHz to 1989.8 MHz
same as time base
GSM channel spacing: 200 kHz
≤3 ms for phase error <2°
−35/−372) dBm to −120 dBm
+11/+92) dBm to −77 dBm
0.1 dB
≤1.5 dB (≤1 dB at −104 dBm)
≤2 dB
<−30 dBc
GMSK, B x T = 0.3
≤4° rms, ≤10° peak
see RF generator 1
−37/−392) dBm
+9/+72) dBm
≤1.5 dB
≤2 dB
800 MHz to 1000 MHz,
1700 MHz to 2000 MHz
0 dBm to 47 dBm
0 dBm to 33 dBm
0.1 dB
≤0.5 dB + resolution (P >10 dBm)
≤0.8 dB + resolution (P >4 dBm)
≤1.3
with option CMD-B4
890.2 MHz to 914.8 MHz
1710.2 MHz to 1784.8 MHz
1850.2 MHz to 1909.8 MHz
GSM900: 0 dBm to 47 dBm
GSM1800/1900: 0 dBm to 33 dBm
−60/−542) dBm to 0 dBm
<1.5° rms, <5° peak
<5 Hz + time base
Burst power measurement
with option CMD-B4
Frequency range
GSM900
890.2 MHz to 914.8 MHz
GSM1800
1717.2 MHz to 1784.8 MHz
2)
1850.2 MHz to 1909.8 MHz
GSM1900
Reference level for full dynamic range
RF IN/OUT
GSM900: 10 dBm to 47 dBm
GSM1800/1900: 0 dBm to 33 dBm
3)
RF IN 2
−37/−312) dBm to 0 dBm
Absolute measurement error of
peak power
RF IN/OUT
GSM900: ≤0.5 dB + resolution
(P>10 dBm)
GSM1800/1900: ≤0.8 dB + resolution (P >4 dBm)
RF IN 2
GSM900: ≤1.3 dB
GSM1800/1900: ≤1.5 dB
Resolution in active part of timeslot 0.1 dB
Burst analysis with high
dynamic range
Relative error of individual test
samples
Dynamic range
Measurement limit RF IN/OUT
Measurement limit RF IN 23)
Digital Radiocommunication Testers CMD
1)
2)
3)
with option CMD-B42
≤1.5 dB to 72 dB below peak power
>72 dB
GSM900: <−36 dBm
GSM1800: <−48 dBm
GSM19002): <−42 dBm
GSM900: <−83 dBm
GSM1800: <−85 dBm
GSM1900 2): <−79 dBm
GSM specifications of CMD50/52/53/55/65
Analog output
Level meter (transient response)
GSM-specific spectrum
measurements
Range
RF IN/OUT
RF IN2
Dynamic
Resolution
Error
RF IN/OUT 6)
Spectrum due to modulation
Test method
Filter bandwidth
Measurement at an offset of
Dynamic range
with offset >400 kHz
Error
Spectrum due to switching
Test method
Filter bandwidth
Measurement at an offset of
Dynamic range
for offset >400 kHz
Error
with option CMD-B43
relative measurement, averaging
30 kHz resolution filter
100, 200, 250, 400, 600, 800, 1000,
1200, 1400, 1600 and 1800 kHz
better than required by GSM specification
max. 80 dB
≤1.5 dB
absolute measurement, Max Hold
over several measurements
30 kHz resolution filter
400, 600, 1200, 1800 kHz
better than required by GSM specification
80 dB max. with SW correction,
76 dB max. without SW correction
≤1.5 dB (dynamic range <50 dBc)
≤2.5 dB (dynamic range 50 to 80 dBc)
DECT specifications of CMD60/65
DECT signal generator
Frequency
Error
Level range
RF IN/OUT
RF OUT2
Burst switch-off
Resolution
Error
RF IN/OUT4)
RF OUT2 5)
Modulation
Error
DECT analyzer
Frequency
Level (matching setting for external
attenuation and expected
power)
RFIN/OUT
RFIN2
FM demodulator
Range
Resolution
DC offset
Residual deviation
RF IN/OUT
RF IN2
1876.608 MHz to 1935.360 MHz,
half channel spacing
same as reference
−100 dBm to −40 dBm
–40 dBm to +5 dBm (−20 dBm to
+5 dBm when RFIN2 is active)
usable up to 7.5 dBm
>30 dB
0.1 dB
<1.5 dB
<2.0 dB
GFSK (B x T=0.5)
<5% (at 288 kHz deviation)
≤1.5 dB + resolution
(+30 dBm to +15dBm)
≤2 dB + resolution in rest of range
≤2 dB + resolution
(−35 dBm to −51dBm)
≤2.5 dB + resolution in rest of range
28.3 mV/1 dB, 2.5 V at +30 dBm
(standard internal attenuator setting),
logarithmic
Analog output
Analog DECT ADPCM interface
Output
Range
Impedance
S/N + THD
Passband ripple
Input
Range
Impedance
S/N + THD
Passband ripple
DECT applications
time
balanced
558 mV with 0 dBm0 on the PCM interface, 300 Hz to 3 kHz
10 Ω typ.
35 dB at full-range level
0.5 dB
balanced
40 mV for 0 dBm0 on the PCM interface, 300 Hz to 3 kHz
125 kΩ typ.
35 dB at full-range level
0.5 dB
averaging 10,
specs are valid for RFIN/OUT
Accuracy and stability of RF carrier
Error
Accuracy and stability of timing
Error
Modulation part 1, 2, 4
Error
specifications are valid for N connector
same as signal generator
<2 kHz + reference
<0.075 µs + reference
approx. 11 kHz at minimum (202 kHz)
approx. 13 kHz at maximum (403 kHz)
permitted deviation
approx. 1 kHz/ms
≤1.5 dB
≤1.5 dB, 30 dBm to 5 dBm,
≤2 dB in rest of range
<0.075 µs + reference
30 dBm to −65 dBm (for level meter),
30 dBm to −30 dBm (for broadband
FM demodulator and signalling)
−35 dBm to −85 dBm (for level meter)
−11 dBm to −55 dBm (for broadband
FM, demodulator and signalling)
for TX postprocessing and
analog output
0 kHz to 450 kHz deviation
1 kHz
<2 kHz
<15 kHz PK, 95% confidence
(+30 to –30 dBm),
<5 kHz PK, 95% confidence
(+30 to –10 dBm)
<15 kHz PK, 95% confidence
(–11 dBm to –55 dBm),
<5 kHz PK, 95% confidence
(–11 dBm to –40 dBm)
4)
5)
+30 dBm to −65 dBm
−35 dBm to −85 dBm
70 dB (24 dBm at RFIN/OUT)
0.5 dB
RF IN2 7)
Frequency drift
Error
Normal transmit power
Error
Power versus time
Error
power
1 V p for 500 kHz deviation (linear)
for TX postprocessing and analog
output
6)
Frequency response
Linearity
Drift
±0.2 dB typ.
±0.3 dB typ.
±0.3 dB typ.
Frequency response
Linearity
Drift
±0.5 dB typ.
±0.4 dB typ.
±0.5 dB typ.
7)
)
Frequency response
Linearity
Drift
typ. ±0.5 dB typ.
typ. ±0.3 dB typ.
typ. ±0.5 dB typ.
Frequency response
Linearity
Drift
typ. ±0.5 dB typ.
typ. ±0.5 dB typ.
typ. ±0.5 dB typ.
)
Digital Radiocommunication Testers CMD
13
Time and frequency reference
Common specifications
Time base TCXO
Nominal frequency
Max. frequency drift in
temperature range 5°C to 35°C
Deviation due to aging
standard
10 MHz
for CMD50/53 as an option (CMD-B20)
current averaging with GSM-adapted
time constant, current peak measurement (maximum and minimum)
0 A to ±10 A
±30 V
50 mΩ
1 mA/10 mA
10 mA
Time base OCXO, version 1
Nominal frequency
Max. frequency uncertainty in
temperature range 5°C to 45°C
Deviation due to aging (after
30 days of operation and under
constant operating conditions)
option CMD-B1
10 MHz
≤10 mA (at room temperature, common mode rejection voltage ±10 V)
≤2% + residual indication + resolution
Time base OCXO, version 2
Nominal frequency
Max. frequency uncertainty in
temperature rannge 5°C to 45°C
(referred to 25°C)
Deviation due to aging
(after 30 days of operation and under
constant operating conditions)
DC voltmeter
Measurement range
Resolution
Error
for CMD50/53 as an option (CMD-B20)
0 V to ±30 V
10 mV
≤2% + resolution
DC ammeter
Operating modes
Measurement range
Common-mode rejection
Resistance
Resolution for current averaging
Resolution for peak measurement
Residual indication
(no current at input)
Error
AF Measurement Unit
AF generator
Frequency range
Frequency resolution
Frequency error
Level range
Level resolution
Level error
Distortion
Max. output current
Output impedance
AF voltmeter
Frequency range
Measurement range
Resolution
option CMD-B41
50 Hz to 10 kHz
0.1 Hz
same as time base + half resolution
10 µV to 5 V
10 µV at <1 mV
1% at ≥1 mV
≤5% at ≥1 mV
≤0.5%
20 mA
<5 Ω
Error
Input impedance
50 Hz to 10 kHz
0.1 mV to 30 V
100 µV at <10 mV
1% at ≥10 mV
≤5% + resolution
1 MΩ
Distortion meter
Frequency range
Input level range
Resolution
Inherent distortion
Error
Measurement bandwidth
300 Hz to 3 kHz
100 mV to 30 V
0.1% distortion
≤0.5%
≤5% + inherent distortion
10 kHz
AF counter
Frequency range
Input level range
Resolution
Error
Input impedance
20 Hz to 10 kHz
10 mV to 30 V
≤1 Hz
same as reference + resolution
1 MΩ
IF counter
Frequency range
Input level range
Resolution
Error
Input impedace
10 kHz to 60 MHz
100 mV (rms) to TTL
1 Hz
same as reference + resolution
approx. 1 MΩ 100 pF
Warm up time
Warmup time (at 25°C)
Reference frequency inputs/outputs
Synchronization input:
Frequency (selectable)
External reference, nominal
Frequency (CMD60)
Input impedance
Input voltage range
Synchronization output 1:
Frequency
Voltage
Synchronization output 2:
Frequency (selectable)
Voltage
Interfaces
IEEE/IEC-bus interface
Other interfaces
General data
Operating temperature range
Storage temperature range
Electromagnetic compatibility
Mechanical resistance
Sinusoidal vibration
Random vibration
Shock
Power supply
Power consumption
Electrical safety
Dimensions (W x H x D)
Weight (without options)
14
Digital Radiocommunication Testers CMD
≤1.5 x 10−6
≤0.5 x 10−6 per year (at 35°C)
±1 x 10−7
≤ 5 x 10−9 per day or
≤2 x 10−7 per year
approx. 5 min at room temperature
option CMD-B2
10 MHz
≤5 x 10−9
≤3.5 x 10−8 per year
≤5 x 10−10 per day
approx. 10 min
option CMD-B3
GSM bit clock (270.8 kHz), 2/4/16
times GSM bit clock, 1 MHz to 13 MHz
in 1 MHz steps, 2.048, 26, 39, 52 MHz
10 MHz
100 Ω
632 mV (pp) to 5 V (pp)
10 MHz with internal reference or frequency at synchronization input with
external reference
5 V (pp), Rout = 50 Ω (10 MHz signal)
GSM bit clock, 2/4/16 times GSM bit
clock, 1, 2, 4 or 13 MHz
5 V (pp), Rout = 50 Ω
option CMD-B61
interface to IEC 625-1/IEEE 488,
SCPI-compatible command set
RS-232-C (9-contact)
Centronics (25-contact)
5°C to 45°C to DIN IEC 68-2-1/2
−40°C to +60°C
meets European EMC directive
(89/336/EEC)
to DIN IEC 68-2-6, 5 Hz to 55 Hz,
amplitude 0.15 mm, two cycles
to DIN 40046, part 24, 10 Hz to
300 Hz, 10 m/s2 rms, 5 min/axis
to MIL-STD-810 D, 400 m/s2,
shock spectrum in 6 main axes
90 V to 265 V, 45 Hz to 440 Hz
CMD 55: approx. 95 W
CMD 60: approx. 60 W
CMD 65: approx. 100 W
VDE 0411, class 1
435 mm x 192 mm x 363 mm
CMD 55: approx. 14 kg
CMD 60: approx. 12 kg
CMD 65: approx. 17 kg
Ordering information
Digital Radiocommunication Tester
CMD 50
CMD 53
CMD 52
CMD 55
CMD 60
CMD 65
Accessories supplied
power cord, operating manual, fuses
Calibration with Certificate
CMD-DCV2
0240.2193.08
CRT-Z2
1039.9005.02
CMD-Z1
CMD-Z50
CMU-Z10
CMU-Z11
ZZA-94
1059.5305.02
1059.4250.02
1150.0801.02
1150.1008.02
0396.4905.00
Recommended extras
GSM GPRS Test SIM Card
(essential for BER measurements)
Formatted Memory Card
(CMD-B62 required)
Handset
Antenna Coupler
Shielded Chamber for CMU-Z10
Rackmount Adapter
1050.9008.50
1050.9008.53
1050.9008.52
1050.9008.05
1050.9008.60
1050.9008.65
For further CMD models ask your local representative
Different specifications for CMD53/55/65 with
CMD-U13
Different specifications for CMD53/55/65 with
CMD-U18
The RF input 1 of the CMD53/55/65 with CMD-U13 is 10 dB more sensitive.
Therefore the following specifications differ from those of an unmodified CMD
RF generator 1 (TCH)
Output level range (RF IN/OUT)
Level error (RF IN/OUT)
RF OUT 2
−120 dBm to −15/−178)dBm
≤2 dB
(−15/−172) dBm to −35/−378) dBm)
≤1.5 dB (−35/−372) dBm to −120 dBm)
≤1.0 dB (at −104 dBm)
not available
Phase and frequency error measurement
−10 dBm to +37 dBm
Level range (RF IN/OUT)
RF generator 2 (BCCH)
Output level range (RF IN/OUT)
Level error (RF IN/OUT)
RF OUT 2
−120 dBm to −17/−198) dBm
≤2 dB
not available
Burst power measurement
Reference level range for full
dynamic range (RF IN/OUT)
GSM900:
GSM1800/1900:
Analyzer
Level range (RF IN/OUT)
Error peak power meter
Peak power meter (RF IN/OUT)
Measurement range
Maximum RF power
Error in GSM900 band
Error in GSM1800/1900 band
−10 dBm to +37 dBm
+37 dBm
≤0.5 dB + resolution (P >−6 dBm)
≤0.8 dB + resolution (P >−6 dBm)
0 dBm to +37 dBm
−10 dBm to +37 dBm
0 dBm to 40 dBm
GSM900: ≤0.5 dB + resolution
GSM1800/1900: ≤0.8 dB + resolution
The CMD53/55/65 with CMD-U13 have a different output level range at RF OUT 2
RF generator 1
Output level range (RF OUT 2)
−35 (−378)) dBm to −120 dBm
RF generator 2
Output level range (RF OUT 2)
−37 (−398) ) dBm to −120 dBm
Certified Environmental System
Certified Quality System
ISO 14001 ISO 9001
REG. NO 1954
Different specifications for CMD53/65 with
CMD-U20
Combined mode (BCCH and TCH in different GSM bands)
Level error of synthesizer 1
RF IN/OUT
<3 dB
RF OUT 2
<3 dB
Level error of synthesizer 2
RF IN/OUT
<3 dB
RF OUT 2
<3 dB
DQS REG. NO 1954
8)
In GSM1900 mode with option CMD-B19/-U19 fitted.
Digital Radiocommunication Testers CMD
15
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Digital Radiocommunication Testers CMD
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Multiband, multimode tests for all GSM mobiles and DECT devices
T h e solution for
• Production
• Quality assurance
• Service
• Development
The Digital Radiocommunication Test-
The CMD is the industry standard in
ers CMD have evolved from GSM900
mobile radio testing and defines the
mobile station testers to a fully
levels that others are judged by. With
equipped test and measurement solu-
extremely high market acceptance
tion for mobiles and handhelds for all
worldwide, the family will stay in the
GSM-based systems as well as DECT.
lead thanks to constant innovation, a
((Beschnittkante))
Staying in the lead ...
well-chosen modularity through different models and optional extension.
.... thanks to
continuous innovation
The CMD addresses all aspects of test
and measurement applications from
production and service to develop-
Ausklappseite 1 (vorne)
ment and quality assurance.
Rohde&Schwarz milestones in digital testing
• 1990:
CMTA94 – the first test set for GSM transmitter and receiver testing
• 1991:
CRTS02/04 – signalling tester for GSM mobile and base stations
• 1992:
FTA – sole supplier of the GSM900 system simulator for type-approval
testing of mobiles
• 1993:
TA – sole supplier of GSM900 interim type-approval system,
upgradable to GSM1800
• 1996:
CRTP/C02 – approved as stand-alone tester for type approval
• 1997:
supplier of the first type-approval system for GSM1900
of phase II GSM900/1800 mobiles
((Beschnittkante))
The family members at a glance
CMD50 – the service tester to suit every budget
• All signalling required for GSM900 testing
• High measurement accuracy and speed
• Autotest and remote control via RS-232-C
• Basic module test features included
• Go/nogo test as well as service mode for exact fault location
CMD53 – service testing for the whole GSM world
• GSM900, GSM1800 and GSM1900
• Testing of handover from GSM900 and back
• Other features as CMD50
CMD52 - the leading GSM900 production tester
Ausklappseite 2 (vorne)
• All signalling required for GSM900 testing
• Highest measurement accuracy and speed
• Remote control via IEEE488/IEC625 bus
• Autotest and remote control via RS-232-C
• Go/nogo test as well as service mode for exact fault location
CMD55 – the multiband GSM production tester
• GSM900, GSM1800 and GSM1900
• Testing of handover from GSM 900 and back
• Other features as CMD52
CMD60 – pure DECT dedication
• Compact, lightweight and extremely fast
• Suitable for service, production and development
• Remote control via IEEE488/IEC625 bus + RS-232-C
• Automated regression and stress testing of DUT
• Automatic go/nogo testing of fixed and portable part
CMD65 – the most versatile production tester
• GSM plus DECT in a single box
• Features equal the combination of CMD55 and
CMD60 in almost all respects
The range continues! Please see data sheets for CMD80 series.
... meeting the challenges
of modern communications
development
quality assurance
Manual operation philosophy
User-definable autotest
Research and development engineers
The user-friendly display and opera-
have found the CMD‘s large clear LC
tion of the CMD is a main requirement
display and user interface with logi-
when testing manually, but for auto-
cally structured menus unsurpassed
mated testing, the engineer wants a
when measuring RF parameters. This
quick and easy way to a ready-made
is true both in the manual test mode
autotest or if he has to create his own
and in the flexible module test with sys-
test script for the specific task to be
tem-specific signal generator and
performed. The CMD family of testers
burst analyzer. During call setup the
offers different ways of creating such
network and system-specific signalling
autotests and test scripts, depending
parameters allow the R&D engineers
on the CMD model and the test
to control the influence of signalling
requirements.
parameters on the mobile´s behaviour
in the network.
The mobile communications market is
networks and their configuration
growing beyond anybody’s imagina-
menus, measurements and tests as well
tion and the need for testing has there-
as autotest function.
fore become equally demanding.
The CMD53 and the CMD55 offer full
As the leading manufacturer of type-ap-
GSM functionality including the hando-
proval test systems for several world-
ver between GSM bands.
wide digital wireless standards,
Rohde&Schwarz has succeeded in
To start out with a single standard, the
combining these standards in one fam-
Testers CMD50, CMD52 (GSM900)
ily of instruments, aimed at users in pro-
and CMD60 for DECT applications are
duction, service and development.
the right choice.
This data sheet covers the testers for
Adding another standard later is no
GSM mobiles as well as for DECT fixed
problem, as the clearly laid-out up-
and portable parts (FP and PP).
grade path depicted on the back cover
fold-out will demonstrate.
The CMD65 – our top model of mobile
testers – combines a number of wellknown key features of the CMD family.
The four most common digital systems
in one instrument, ready at a keystroke,
provide the user with ultimate flexibility.
From the main menu, the CMD65 offers
very easy access for up to four digital
2
Digital Radiocommunication Testers CMD
• Go/nogo tests and comprehensive testing of mobiles
• Powerful signalling capabilities
• Short measurement time
ensuring high throughput
• High measurement accuracy
• Simple interactive operation
• No specialized GSM
knowledge required
• Service mode for exact fault
location
• Autotest – complete mobile
testing at a keystroke
• Very fast remote control
operation
• Compact and lightweight
• Excellent price/performance
ratio
A sophisticated product from the market leader
product ion
service
Fast IEEE-bus
repeatability offered ensures the high-
same large display and user interface
In a production line, there are two
est possible quality of the end product
for manual test of phones and/or mod-
main factors that contribute to high
leaving the factory.
ules and RS-232-C interface for remote
operation.
throughput and product quality: IEEEbus speed and measurement repeata-
Covering any need for test modes
bility. The high speed is obtained by
Service and repair of digital mobiles
Base station survey measurements
parallel measurements and the possi-
and cordless phones call for a variety of
These are often performed on real base
bility to issue multiple commands in a
tests, ranging from simple go/nogo tests
stations or by using analog signal gener-
single IEEE string. With combined
to complete factory-like production tests
ators with power amplifiers. The CMD is
measurements and measurements like
and calibration of the phone. The CMD
able to simulate any GSM base station
RF peak power which takes only milli-
range offers cost-effective solutions for
BCCH, including parameters like MCC,
seconds, time-consuming power level
manual testing, stand-alone autotest, as
MNC, NCC, BA list, DTX and DRX infor-
adjustments where multiple measure-
well as remote RS-232-C operation solu-
mation. These and the "cell barred" fea-
ments are required are completed in
tions covering any need for testing.
ture enable close-to-life conditions with-
seconds. The level of measurement
Every CMD comes, of course, with the
out having to use a real BTS.
Digital Radiocommunication Testers CMD
3
Tailored to your application
Options
Through careful design of models and
options, Rohde&Schwarz has devised
a way to ensure you only pay for what
you need. Nearly all the options for
the models offered (see front cover
fold-out) are retrofittable.
The well-defined upgrade path allows
to expand the scope of a new CMD
when you need it (see back cover foldout). Should you already own one –
even first generation CMDs are taken
care of.
The options in detail (see also fold-out page on the back)
Name
Description
Notes
Order No.
CMD-B1
OCXO reference oscillator, aging ±1 x 10−7. Ensures high absolute accuracy,
minimum temperature-dependent drift and especially high long-term stability.
Used for measurements with exacting requirements on frequency stability.
Cannot be ordered
with CMD-B2
1051.6002.02
CMD-B17
I/Q signals from the CMD modulator and burst trigger signals are provided for
the Rohde&Schwarz Signal Generator SMIQ for GSM conformity tests under
fading conditions.
–
CMD-B19
GSM1900 mobile and base station test. Provides the capability to test
GSM1900 mobiles used on the North American market. Includes factory recalibration of unit .
For CMD53, 55 as of
serial No. 837176
and CMD65 only
CMD-B2
High-stability OCXO, aging 3.5 x 10−8. Oven crystal with highest long-term sta- Cannot be ordered
bility. Ensures compliance with tolerances specified by GSM. Used for highly
with CMD-B1
demanding requirements on frequency stability to GSM 11.20.
1059.8604.02
CMD-B20
GSM-specific voltage and current measurement. Allows readings to be taken in
synchronicity with the GSM pulsed mode.
1059.6401.02
CMD-B3
Multifrequency reference input/output. For synchronizing DUT and measuring
instrument with internal or external frequencies. Allows synchronization of the
CMD to an internal or external frequency of 2.048, 10, 13, 26, 39, 52 MHz, or
to the GSM bit clock.
–
High-level RF output/sensitive RF input. In addition to the normal RF I/O, the CMD
has optionally a high-sensitivity input and a high-level output which enable overthe-air tests on modules or handhelds by means of couplers like the CTD-Z10.
Comes as standard in
all models exept
CMD50 and CMD53
CMD-B30
4
Digital Radiocommunication Testers CMD
1099.3003.02
Comes as standard in
all models exept
CMD50 and CMD53
1059.6201.02
1051.6202.02
1059.7308.02
The BER search function allows the absolute sensitivity of a mobile to be
determined
The full dynamic range (>72 dB) of a GSM normal and access burst can be
verified with the CMD-B42 option
The audio measurement option CMD-B44 is capable of generating
and analyzing up to 14 freely configurable tones in about 1 second.
Measurements in absolute and relative mode are possible
After location update, it is indicated whether a mobile is a dual-band version.
For realistic simulation of the real networks, the CMD-U20 offers the option to
have the BCCH present in either band during dual-band simulation
Name
Description
CMD-B4
Fast power ramp, phase/frequency error & BER measurement. Provides fast test- Required for options
ing and numeric/graphic display of power bursts and phase / frequency error CMD-B41, CMD-B42,
as well as various BER, RBER and FER test routines (necessary for Autotest).
CMD-B43, CMD-B44
and CMD-K43
1051.6654.02
CMD-B41
Includes audio frequency (AF) generator, voltmeter, distortion meter and frequency counter. Allows measurements on the audio interface or on modules.
Enables frequency measurements up to 60 MHz which is required for LO alignment.
Requires CMD-B4
1051.6902.02
CMD-B42
High dynamic range burst analyzer. Enhances the dynamic range to more than 72
dB and allows the power ramp to be measured in the entire GSM, GSM1800 and
GSM1900 range specified. Determines whether transmitter blanking in inactive
timeslots is correct.
Requires CMD-B4
1051.7150.02
CMD-B43
Carries out GSM measurements of spectrum due to switching and modulation
according to the GSM, GSM1800 and GSM1900 recommendations faster than
any spectrum analyzer.
Requires CMD-B4 and
CMD-B42
1059.6001.02
CMD-B44
Audio multitone option based on DSP techniques. Makes it possible to generate Requires CMD-B4 and
and measure up to 14 tones in about one second. Useful for loudness rating, fre- CMD-B41
quency response and intermodulation analysis.
1099.3203.02
CMD-B52
Internal GSM full rate (FR), enhanced full rate (EFR) and half rate (HR) speech
coder/decoder. This option converts digital speech signals into analog signals
and vice versa, allowing separate uplink and downlink audio measurements.
1115.8800.02
CMD-B6
Adapters for B6x options. Provides GSM-specific signals and trigger signals for
CMD52/55/65 on the multifunction connector at the front of the instrument.
Notes
Order No.
–
Required for options
CMD-B61 and
CMD-B62
1051.7409.02
Digital Radiocommunication Testers CMD
5
Options
Options (continued)
The option CMD-B43 provides measurements of spectrum due to modulation
and switching according to GSM recommendations
Front view of the CMD50/CMD53, the economy CMD52/55 equivalents for use in service
The narrowband spectrum analyzer option CMD-K43 is used to determine the
I/Q modulator balance by measuring the suppressed carrier and sidebands
Name
Description
Notes
Order No.
CMD-B61
IEEE 488 bus interface. Remote control alternative to the RS-232-C interface fitted as standard. Used for fast remote control of the CMD.
Requires CMD-B6
1051.7609.02
CMD-B62
Memory card interface. Allows storage of instrument setups and fast and easy
upgrade to new software features. Highly recommended.
Requires CMD-B6
1051.8205.04
CMD-K43
Narrowband spectrum analyzer. This option is used for narrowband spectrum
analysis (i.e. adjustments of I/Q modulators). Analysis of constant envelope
and burst signals is possible.
Requires CMD-B4
1082.4830.02
CMD-K61
Frequency extension option covering “DECT Latin America“. For CMD60 and
CMD65.
Requires DECT hard1082.3840.02
ware version E or later
CMD-K80
Frequency extension option. For CMD5x and CMD65. Additional frequency
range R-GSM.
Requires CMD-U10
CMD-U1
Upgrade to GSM multiband functionality. Allows GSM dual-band handover with
CMD53 and CMD55. Conversion of CMD50 into CMD53 and of CMD52 into
CMD55.
Some mobiles require 1051.8957.02
the option CMD-U20
to ensure correct dualband handover operation
CMD-U10
8 MByte memory extension for CPU1 or CPU2. This update allows the use of sev- Only applicable to
eral advanced software features such as GSM dual-band handover, fast BER
older versions of
measurement (burst-by-burst) and R-GSM band.
CMD50, CMD52 and
CMD53, CMD55
1059.7908.02
CMD-U11
High-speed processor including 8MB RAM. Allows the use of the latest software
versions with the functionality as mentioned in this data sheet and ensures future
updates.
1059.7950.02
6
Digital Radiocommunication Testers CMD
For older versions of
CMD52 and CMD55
only
1082.4930.02
... you only pay what you need
A member of the CMD family used in an audio
application with the Rohde&Schwarz Audio
Analyzer UPL and artificial ear
Name
Description
Notes
Order No.
CMD-U12
Modification for fast BER (burst-by-burst) capability.
For older versions of
CMD52 and 55 only
1059.4150.02
CMD-U13
10 dB higher sensivity at RF input/output N connector.
RF input level range −10 dBm to +37 dBm instead of 0 dBm to +47 dBm
Only for GSM signals
1059.4009.02
CMD-U18
Output level of −15 dBm for RF input/output N connector.
Only for GSM signals
RF out 2 becomes non-functional, RF in/out 6 dB more sensitive (max. +40 dBm).
1099.5358.02
CMD-U19
GSM1900 mobile test. Provides the capability to test GSM1900 mobiles used
on the North American market. Same as CMD-B19 if installation and recalibration can be done at the local Rohde&Schwarz service center.
For CMD53, 55 as of
serial No. 837176
and CMD65 only
1099.5458.02
CMD-U20
A special RF converter for the CMD53/55 enables handover between GSM900
and GSM1800/1900 while maintaining the BCCH in the band (lower/upper) in
which the handover was initiated. Standard in the current version of the CMD55.
For older CMD53 in
conjunction with
CMD-U10 only.
1099.5606.02
CMD-U5
GSM time synchronization signal and demodulated I and Q signals are copied
from the multifunction connector to three BNC connectors at the rear panel.
Not compatible with
CMD60/65 and
instruments with
upgrades CMD-U56
and CMD-U65.
Factory installation.
1059.6901.02
CMD-U56
Upgrade to support DECT in CMD53/55 multiband testers. Functionality compa- See under CMD-U5.
rable to that of CMD65.
Factory installation.
1059.8004.02
CMD-U61
Frequency extension upgrade covering “DECT Latin America“. For CMD60 and
CMD65.
For D version hardware only. Factory
installation.
1099.5258.02
CMD-U65
GSM multiband upgrade for CMD60. Functionality comparable to that of
CMD65.
Factory installation.
1059.8104.02
Digital Radiocommunication Testers CMD
7
DECT measurements
CMD60
CMD65
The CMD60 is the Rohde&Schwarz
one-box DECT tester, whereas the
CMD65 offers GSM functionality
alongside DECT
Frame number
15
16
23 0
Slot number
Interface description
0
22 23
1
22 23
The CMD enables the use of up to 6
vided. Up to 35 channels are available
TDMA slots for rapid BER measure-
with the options CMD-U61 and CMD-
CMD 60/65 transmitter part
ments for PP test (2 slots for FP test). A
K61 (channels +12 to −22).
In a very busy DECT environment,
very short measuring time for produc-
most DECT frequencies may be in use
tion can be achieved with the use of
The modular concept of the CMD also
for communication and therefore influ-
more than one timeslot for BER mea-
allows the Latin American frequency
ence the measurement in production
surements if supported by the unit
extension to be added (see CMD-K61
and development. Besides the chan-
under test.
and CMD-U61 in the options section).
an extended frequency range for test-
The modulation is GFSK with B x T =
The sensitivity of the CMD60 ensures
ing. The channels −3, −2, −1 and 10,
0.5 according to DECT specifications.
valid measurement results even with
11, 12 are outside the normal DECT
In addition, constant envelope, signals
compensation for attenuation in exter-
specification and therefore free for
with or without modulation or DECT
nal coupling devices.
testing. Up to 35 channels are avail-
bursts with various bit patterns for
able with options CMD-U61 and
module testing are possible. These bit
There are two independent receive
CMD-K61 (channels +12 to −22).
patterns can easily be recognized
paths: For DECT signalling and BER, a
while testing receiver and demodula-
signalling path is provided. For TX
tor modules.
tests, the CMD60 provides a measure-
nels 0 to 9 the CMD enables the use of
The wide amplitude range of the RF
ment path. The signals from the FM
level provides a comfortable compensation for attenuation in external cou-
CMD 60/65 receiver part
and envelope detector are taken to
pling devices.
It is similar to the transmitter part above.
external connectors and post-pro-
There are 10 DECT frequencies, 0 to 9.
cessed for power ramp and modula-
Additionally, the 6 extended DECT fre-
tion measurements. The FM and enve-
quencies −3, −2, −1 and +10, 11, 12 in
lope detector output permits monitor-
half DECT channel spacing are pro-
ing of the DUT transmit signal.
8
Digital Radiocommunication Testers CMD
Benefits in ...
... production
... development
... servicing
• The CMD60/65 is remote-con-
• Comprehensive in-depth mea-
• Rapid go/nogo results using the
trollable via RS-232-C or IEC/
surements of specifications via a
IEEE-bus interface using the
convenient manual user inter-
SCPI-compatible commands. In
face
the remote-control mode, the
• A lot of complex test setups re-
autorun function
• Relaxed manual operation due
to a large bright LCD in conjunction with an extremely sim-
CMD is designed for fast speed
quired with conventional equip-
ple user interface (requires no
to yield high throughputs in pro-
ment become redundant thanks
DECT-specific knowledge) strict-
to this special DECT tester
ly separated from the expert us-
duction
• High production output versus
low investment for test equipment
• Comprehensive flexible autotest
• Automated regression tests and
stress tests
• The tester supplies a large
er interface for configurations
• Integrated tools such as a scope
display for power versus time
number of DECT-specific sig-
and FM demodulation versus
capabilities make the CMD60/
nals for the control of the mod-
time ease troubleshooting
65 a one-box DECT solution
ule under test
RF in/out configuration
from the front connector is available at
Trigger
Transmitter and receiver are con-
this connector with an attenuation of
DECT measurements are alternatively
nected to a bidirectional N connector
18 dB. It can be monitored with a spec-
triggered under the following condi-
(RF in/out). All specifications men-
trum analyzer for spurious measure-
tions:
tioned are valid for this connector.
ments. Furthermore, this connector can
– RF rising slope
Moreover, there is a high-level output
be utilized to introduce an interferer into
– External trigger event
for the CMD transmitter and also a
the RF connection without reconnecting
– Internal trigger, time reference is bit
sensitive input for the CMD receiver on
the test setup for the in-channel tests. This
the front panel. These connectors
input/output can be used from
together with an external power split-
100 MHz to 2.5 GHz.
ter/combiner can be used to shift the
P0 (standard)
Time synchronization
The CMD60 provides DECT-specific
level range of the N connector (for
Audio part
timing signals (frame clock, RS485)
details on differences between the
In addition to the DECT RF interface on
which can be routed to other CMDs if
CMD60 and CMD65 see specifica-
the CMD60 front panel, there is an ana-
the CMD is the master. If the CMD is
tions).
log DECT speech interface for speaker
declared slave, it will synchronize to
and appropriate microphone on the
this signal. This way several PPs, e.g.
Demodulation interface
rear panel (analog ADPCM interface).
on a production line, can be tested at
The CMD 60/65 provides a linear
Alternatively, it can be internally con-
several CMDs in parallel without any
analog FM demodulator output (DC
nected to the AF measurement port.
mutual interference.
coupled) and a logarithmic analog RF
envelope demodulator output.
Additional DECT-specific signals
1152 kHz bit clock output, alternatively
Wideband in/out
multiples: 3,456, 6,912 and
The secondary wideband input/output
13,824 MHz and fractions:
is at the rear panel. The input signal
576, 288, 144 kHz.
Digital Radiocommunication Testers CMD
9
Up to date by simply upgrading
Early-stage CMD52 with
CPU1 or CPU2 and
4 MByte internal RAM.
CMD-U11
From early-stage to state-of-the-art performance
The CMD-U11 upgrade includes our currently fastest processor CPU3a and 8 Mbyte internal RAM. This ensures future
The early-stage CMD52
software updates and the possibility to use all the latest test
is thus comparable to
and measurement features and provide the fastest IEC/IEEE
today´s state-of-the-art
bus on the market.
GSM900 tester, with
test and measurement
specifications as stated
in this data sheet.
CMD-U1
From single band to multiband
The CMD-U1 hardware upgrade will convert the
CMD52 into a CMD55, with the possibility to test
GSM1800, GSM1900 (with CMD-U19) as well as
GSM900 mobiles.
This CMD is now
equivalent to the
standard CMD55
mentioned in this
data sheet, newly
calibrated and able
to be customized
CMD-U56
From multiband to multimode
The CMD-U56 hardware upgrade enhances the functional-
with options as
ity of the CMD55 to the functionality of a CMD65. The
listed.
CMD55M (multimode) is now able to cover all official GSM
systems as well as all official DECT bands. *)
Unsurpassed test capabilities
and measurement speed. All
this at incredibly low weight
and without any bulk.
Since the development of the first
Any CMD5x mobile tester can be
functionality. It also shows that acquisi-
CMD5x, it has been the philosophy of
upgraded to a full-blown CMD with
tion of a single-network CMD tester
Rohde&Schwarz to ensure that all
four digital networks in one instru-
today does not restrict the user to the
CMD5x users can upgrade their instru-
ment, ready at a keystroke. The chart
original application – thanks to the
ments to the current state of the art.
above shows how to upgrade from an
unique Rohde&Schwarz upgrade
early-stage CMD5x mobile tester to
path!
the present level of performance and
10
Digital Radiocommunication Testers CMD
*) Likewise, the CMD-U65 allows the CMD 60 to be
enhanced to CMD 65 functionality.
CMD60
CMD55
CMD52
CMD53
CMD50
CMD-B1 2)
+
+
+
+
+
+
CMD-B2 2)
–
–
+
+
+
+
CMD-B3
+
+
+
+
+
+
High-end
service
CMD65
1
Service
Production
Development
& QA
Models and options
CMD50
J
✘
–
✘
CMD53
J
✘
–
✘
CMD52
✘
J
J
J
CMD55
✘
J
J
J
CMD60
✘
J
J
J
CMD-B4
+
+
+
+
+
+
CMD65
✘
J
J
J
CMD-B52
+
–
+
+
–
–
CMD-B6
+
+
+
+
CMD-B17
+1 )
–
+
+
–
–
+
–
+
–
+
–
Production
High-end
service
Service
+5 ) + 5 )
Development & QA
2
CMD-B19
CMD50
✘
–
✘
J
CMD-B20
●
●
●
●
+
+
CMD53
✘
–
✘
J
CMD-B30
●
●
●
●
+
+
CMD52
J
J
J
✘
CMD-B41
+
+
+
+
+
+
CMD55
J
J
J
✘
CMD-B42
1
–
+
+
+
+
CMD60
J
J
J
✘
CMD65
J
J
J
✘
CMD-B1 2)
✘
✘
✘
J
CMD-B2 2)
J
✘
J
✘
CMD-B3
J
J
CMD-B4
J
J
J
CMD-B51
J
J
CMD-B6
J
CMD-B17
+ )
CMD-B44 8)
+
+
+
+
+
+
+
+
–
–
J
CMD-B62
+
+
+
+
+
+
J
✘
CMD-K61
+3 ) + 3 ) –
–
–
–
J
J
✘
J
✘
✘
✘
CMD-B41
J
J
J
✘
CMD-B42
J
J
J
✘
CMD-B43
J
J
J
✘
CMD-K80
+
–
+
+
+
+
CMD-U1
–
–
–
+
–
+
CMD-U5
–
–
+
+
+
+
CMD-U10
–
–
–
–
●
●
CMD-U11
●
●
●
●
–
–
●
–
●
●
–
–
CMD-B44
J
J
J
✘
CMD-B61
J
J
–
–
CMD-B62
J
J
J
J
CMD-U13 )
+
–
+
–
+
–
CMD-K43
J
J
J
✘
CMD-U18 6)
+
–
+
–
+
–
CMD-U5
J
–
✘
✘
CMD-U19
+
–
+
–
+
–
CMD-U10
–
–
✘
✘
CMD-U20
+
–
●
–
+10)
–
CMD-U11
J
J
J
J
CMD-U56
●
–
+
–
+
–
CMD-U13
✘
J
✘
✘
CMD-U18
✘
J
✘
✘
CMD-U61
+4 ) + 4 ) –
–
–
–
●
+
–
–
–
–
+
+
+
+
+
+
CMD-U12
6
J
J
J
✘
CMD-Z1
J
J
J
J
CMD-Z1
3
Table 2
Recommended instruments
and options
Table 3
Combinations of instruments
and options
+
+
CMD-U20
Applications and
instruments
+1 ) 9 ) – + 9 ) + 9 ) +9 ) + 9 )
CMD-K43
CMD-U65
Table 1
+1 ) 7 ) – + 7 ) + 7 ) +7 ) + 7 )
CMD-B43
CMD-B61
✘1 ) ✘1 )
3
Comments on Table 2:
J highly recommended
✘ recommended
– not recommended
1
) External frequency reference may be
used, if available.
2
) One of two OCXOs should be installed
to ensure high frequency accuracy.
Comments on Table 3:
+ possible
– not possible
● standard
1
)
2)
3
)
4
)
5)
Only for GSM applications.
CMD-B1 or CMD-B2 possible.
Only with DECT module version E.
Only with DECT module version D.
Multifunction connector not
available on CMD50/53.
6
) CMD-U13 or CMD-U18 possible.
7) CMD-B4 and CMD-B42 required.
8
) CMD-B4 and CMD-B41 required.
9
) CMD-B4 required.
10) CMD-U10 required (previous models).
Note:
The CMD-B4 option is a prerequisite for all
CMD-B4x and CMD-K4x options.
The CMD-B6 option is a prerequisite for all
CMD-B6x options.
Digital Radiocommunication Testers CMD
11
Specifications of CMD50/52
GSM specifications of CMD53/55/65
RF generator 1
Frequency range
RF generator 1
Frequency range
GSM900
GSM1800
GSM19002)
Frequency error
Resolution
Frequency setting time
Output level
RF IN/OUT
RF OUT 21)
Resolution
Level error RF IN/OUT
RF OUT 2
Harmonics (RF IN/OUT)
Modulation
Phase error
Frequency error
Resolution
Frequency setting time
Output level (RF IN/OUT)
(RF OUT 2)
Resolution
Level error (RF IN/OUT)
(RF OUT 2)
Harmonics (RF IN/OUT)
Modulation
Phase error
RF generator 2
Frequency range, frequency error,
resolution, setting time, level
resolution, harmonics, modulation
and phase error
Maximum output level
RF IN/OUT
RF OUT 2
Level error
RF IN/OUT
RF OUT 2
Peak power meter (RF IN/OUT)
Frequency range
Measurement range
Resolution
Error in GSM band
890.2 MHz to 914.8 MHz
VSWR
GSM phase and frequency error
measurement
Frequency range
Level range
RF IN/OUT
RF IN 2
Inherent phase error
Frequency measurement error
GSM burst power measurement
Frequency range
Reference level for full
dynamic range
RF IN/OUT
RF IN 2
Absolute measurement error of
peak power
RF IN/OUT
RF IN 2
Resolution in active part of
timeslot
Burst analysis
with wide dynamic range
Relative error of individual
test sample
Dynamic range
Measurement limit RF IN/OUT
Measurement limit RF IN 2
1
2
3
GSM900 band:
935.2 MHz to 959.8 MHz
same as time base
GSM channel spacing: 200 kHz
≤3 ms for phase error <2°
−33 dBm to −120 dBm
+13 dBm to −77 dBm
0.1 dB
≤1.5 dB (≤1 dB at −104 dBm)
≤2 dB
<−30 dBc
GMSK, B x T = 0.3
≤4° rms, ≤10° peak
see RF generator 1
−35 dBm
+11 dBm
≤1.5 dB
≤2 dB
800 MHz to 1000 MHz
10 dBm to 47 dBm
0.1 dB
≤0.5 dB + resolution (P >13 dBm)
≤1.3
with option CMD-B4
GSM900 band:
890.2 MHz to 914.8 MHz
10 dBm to 47 dBm
−60 dBm to 0 dBm
<1.5° rms, <5° peak
<5 Hz + time base
with option CMD-B4
GSM900 band:
890.2 MHz to 914.8 MHz
Peak power meter (RF IN/OUT)
Frequency range
Measurement range
GSM900 band
GSM1800/1900 band
Resolution
Error in GSM900 band
Error in GSM1800/1900 band
VSWR
Phase/frequency error measurement
Frequency range
GSM900
GSM1800
GSM19002)
Level range
RF IN/OUT
3)
10 dBm to 47 dBm
−37 dBm to 0 dBm
see peak power meter
≤1 dB
0.1 dB
with option CMD-B42
≤1.5 dB to 72 dB below peak power
>72 dB
<−36 dBm
<−83 dBm
The maximum RF output level of the CMD65 in the GSM900/1800/
1900
band is 2 dB lower than in the CMD5x basic unit
In GSM1900 mode with option CMD-B19/-U19 fitted.
The sensitivity of the CMD65 in the GSM900/1800/1900 band is 2 dB
lower than in the CMD5x basic unit.
12
RF generator 2
Frequency range, frequency error,
resolution, setting time, level
resolution, harmonics, modulation
and phase error
Maximum output level
RF IN/OUT
RF OUT 21)
Level error
RF IN/OUT
RF OUT 2
RF IN 2
Inherent phase error
Frequency measurement error
935.2 MHz to 959.8 MHz
1805.2 MHz to 1879.8 MHz
1930.2 MHz to 1989.8 MHz
same as time base
GSM channel spacing: 200 kHz
≤3 ms for phase error <2°
−35/−372) dBm to −120 dBm
+11/+92) dBm to −77 dBm
0.1 dB
≤1.5 dB (≤1 dB at −104 dBm)
≤2 dB
<−30 dBc
GMSK, B x T = 0.3
≤4° rms, ≤10° peak
see RF generator 1
−37/−392) dBm
+9/+72) dBm
≤1.5 dB
≤2 dB
800 MHz to 1000 MHz,
1700 MHz to 2000 MHz
0 dBm to 47 dBm
0 dBm to 33 dBm
0.1 dB
≤0.5 dB + resolution (P >10 dBm)
≤0.8 dB + resolution (P >4 dBm)
≤1.3
with option CMD-B4
890.2 MHz to 914.8 MHz
1710.2 MHz to 1784.8 MHz
1850.2 MHz to 1909.8 MHz
GSM900: 0 dBm to 47 dBm
GSM1800/1900: 0 dBm to 33 dBm
−60/−542) dBm to 0 dBm
<1.5° rms, <5° peak
<5 Hz + time base
Burst power measurement
with option CMD-B4
Frequency range
GSM900
890.2 MHz to 914.8 MHz
GSM1800
1717.2 MHz to 1784.8 MHz
2)
1850.2 MHz to 1909.8 MHz
GSM1900
Reference level for full dynamic range
RF IN/OUT
GSM900: 10 dBm to 47 dBm
GSM1800/1900: 0 dBm to 33 dBm
3)
RF IN 2
−37/−312) dBm to 0 dBm
Absolute measurement error of
peak power
RF IN/OUT
GSM900: ≤0.5 dB + resolution
(P>10 dBm)
GSM1800/1900: ≤0.8 dB + resolution (P >4 dBm)
RF IN 2
GSM900: ≤1.3 dB
GSM1800/1900: ≤1.5 dB
Resolution in active part of timeslot 0.1 dB
Burst analysis with high
dynamic range
Relative error of individual test
samples
Dynamic range
Measurement limit RF IN/OUT
Measurement limit RF IN 23)
Digital Radiocommunication Testers CMD
1)
2)
3)
with option CMD-B42
≤1.5 dB to 72 dB below peak power
>72 dB
GSM900: <−36 dBm
GSM1800: <−48 dBm
GSM19002): <−42 dBm
GSM900: <−83 dBm
GSM1800: <−85 dBm
GSM1900 2): <−79 dBm
GSM specifications of CMD50/52/53/55/65
Analog output
Level meter (transient response)
GSM-specific spectrum
measurements
Range
RF IN/OUT
RF IN2
Dynamic
Resolution
Error
RF IN/OUT 6)
Spectrum due to modulation
Test method
Filter bandwidth
Measurement at an offset of
Dynamic range
with offset >400 kHz
Error
Spectrum due to switching
Test method
Filter bandwidth
Measurement at an offset of
Dynamic range
for offset >400 kHz
Error
with option CMD-B43
relative measurement, averaging
30 kHz resolution filter
100, 200, 250, 400, 600, 800, 1000,
1200, 1400, 1600 and 1800 kHz
better than required by GSM specification
max. 80 dB
≤1.5 dB
absolute measurement, Max Hold
over several measurements
30 kHz resolution filter
400, 600, 1200, 1800 kHz
better than required by GSM specification
80 dB max. with SW correction,
76 dB max. without SW correction
≤1.5 dB (dynamic range <50 dBc)
≤2.5 dB (dynamic range 50 to 80 dBc)
DECT specifications of CMD60/65
DECT signal generator
Frequency
Error
Level range
RF IN/OUT
RF OUT2
Burst switch-off
Resolution
Error
RF IN/OUT4)
RF OUT2 5)
Modulation
Error
DECT analyzer
Frequency
Level (matching setting for external
attenuation and expected
power)
RFIN/OUT
RFIN2
FM demodulator
Range
Resolution
DC offset
Residual deviation
RF IN/OUT
RF IN2
1876.608 MHz to 1935.360 MHz,
half channel spacing
same as reference
−100 dBm to −40 dBm
–40 dBm to +5 dBm (−20 dBm to
+5 dBm when RFIN2 is active)
usable up to 7.5 dBm
>30 dB
0.1 dB
<1.5 dB
<2.0 dB
GFSK (B x T=0.5)
<5% (at 288 kHz deviation)
≤1.5 dB + resolution
(+30 dBm to +15dBm)
≤2 dB + resolution in rest of range
≤2 dB + resolution
(−35 dBm to −51dBm)
≤2.5 dB + resolution in rest of range
28.3 mV/1 dB, 2.5 V at +30 dBm
(standard internal attenuator setting),
logarithmic
Analog output
Analog DECT ADPCM interface
Output
Range
Impedance
S/N + THD
Passband ripple
Input
Range
Impedance
S/N + THD
Passband ripple
DECT applications
time
balanced
558 mV with 0 dBm0 on the PCM interface, 300 Hz to 3 kHz
10 Ω typ.
35 dB at full-range level
0.5 dB
balanced
40 mV for 0 dBm0 on the PCM interface, 300 Hz to 3 kHz
125 kΩ typ.
35 dB at full-range level
0.5 dB
averaging 10,
specs are valid for RFIN/OUT
Accuracy and stability of RF carrier
Error
Accuracy and stability of timing
Error
Modulation part 1, 2, 4
Error
specifications are valid for N connector
same as signal generator
<2 kHz + reference
<0.075 µs + reference
approx. 11 kHz at minimum (202 kHz)
approx. 13 kHz at maximum (403 kHz)
permitted deviation
approx. 1 kHz/ms
≤1.5 dB
≤1.5 dB, 30 dBm to 5 dBm,
≤2 dB in rest of range
<0.075 µs + reference
30 dBm to −65 dBm (for level meter),
30 dBm to −30 dBm (for broadband
FM demodulator and signalling)
−35 dBm to −85 dBm (for level meter)
−11 dBm to −55 dBm (for broadband
FM, demodulator and signalling)
for TX postprocessing and
analog output
0 kHz to 450 kHz deviation
1 kHz
<2 kHz
<15 kHz PK, 95% confidence
(+30 to –30 dBm),
<5 kHz PK, 95% confidence
(+30 to –10 dBm)
<15 kHz PK, 95% confidence
(–11 dBm to –55 dBm),
<5 kHz PK, 95% confidence
(–11 dBm to –40 dBm)
4)
5)
+30 dBm to −65 dBm
−35 dBm to −85 dBm
70 dB (24 dBm at RFIN/OUT)
0.5 dB
RF IN2 7)
Frequency drift
Error
Normal transmit power
Error
Power versus time
Error
power
1 V p for 500 kHz deviation (linear)
for TX postprocessing and analog
output
6)
Frequency response
Linearity
Drift
±0.2 dB typ.
±0.3 dB typ.
±0.3 dB typ.
Frequency response
Linearity
Drift
±0.5 dB typ.
±0.4 dB typ.
±0.5 dB typ.
7)
)
Frequency response
Linearity
Drift
typ. ±0.5 dB typ.
typ. ±0.3 dB typ.
typ. ±0.5 dB typ.
Frequency response
Linearity
Drift
typ. ±0.5 dB typ.
typ. ±0.5 dB typ.
typ. ±0.5 dB typ.
)
Digital Radiocommunication Testers CMD
13
Time and frequency reference
Common specifications
Time base TCXO
Nominal frequency
Max. frequency drift in
temperature range 5°C to 35°C
Deviation due to aging
standard
10 MHz
for CMD50/53 as an option (CMD-B20)
current averaging with GSM-adapted
time constant, current peak measurement (maximum and minimum)
0 A to ±10 A
±30 V
50 mΩ
1 mA/10 mA
10 mA
Time base OCXO, version 1
Nominal frequency
Max. frequency uncertainty in
temperature range 5°C to 45°C
Deviation due to aging (after
30 days of operation and under
constant operating conditions)
option CMD-B1
10 MHz
≤10 mA (at room temperature, common mode rejection voltage ±10 V)
≤2% + residual indication + resolution
Time base OCXO, version 2
Nominal frequency
Max. frequency uncertainty in
temperature rannge 5°C to 45°C
(referred to 25°C)
Deviation due to aging
(after 30 days of operation and under
constant operating conditions)
DC voltmeter
Measurement range
Resolution
Error
for CMD50/53 as an option (CMD-B20)
0 V to ±30 V
10 mV
≤2% + resolution
DC ammeter
Operating modes
Measurement range
Common-mode rejection
Resistance
Resolution for current averaging
Resolution for peak measurement
Residual indication
(no current at input)
Error
AF Measurement Unit
AF generator
Frequency range
Frequency resolution
Frequency error
Level range
Level resolution
Level error
Distortion
Max. output current
Output impedance
AF voltmeter
Frequency range
Measurement range
Resolution
option CMD-B41
50 Hz to 10 kHz
0.1 Hz
same as time base + half resolution
10 µV to 5 V
10 µV at <1 mV
1% at ≥1 mV
≤5% at ≥1 mV
≤0.5%
20 mA
<5 Ω
Error
Input impedance
50 Hz to 10 kHz
0.1 mV to 30 V
100 µV at <10 mV
1% at ≥10 mV
≤5% + resolution
1 MΩ
Distortion meter
Frequency range
Input level range
Resolution
Inherent distortion
Error
Measurement bandwidth
300 Hz to 3 kHz
100 mV to 30 V
0.1% distortion
≤0.5%
≤5% + inherent distortion
10 kHz
AF counter
Frequency range
Input level range
Resolution
Error
Input impedance
20 Hz to 10 kHz
10 mV to 30 V
≤1 Hz
same as reference + resolution
1 MΩ
IF counter
Frequency range
Input level range
Resolution
Error
Input impedace
10 kHz to 60 MHz
100 mV (rms) to TTL
1 Hz
same as reference + resolution
approx. 1 MΩ 100 pF
Warm up time
Warmup time (at 25°C)
Reference frequency inputs/outputs
Synchronization input:
Frequency (selectable)
External reference, nominal
Frequency (CMD60)
Input impedance
Input voltage range
Synchronization output 1:
Frequency
Voltage
Synchronization output 2:
Frequency (selectable)
Voltage
Interfaces
IEEE/IEC-bus interface
Other interfaces
General data
Operating temperature range
Storage temperature range
Electromagnetic compatibility
Mechanical resistance
Sinusoidal vibration
Random vibration
Shock
Power supply
Power consumption
Electrical safety
Dimensions (W x H x D)
Weight (without options)
14
Digital Radiocommunication Testers CMD
≤1.5 x 10−6
≤0.5 x 10−6 per year (at 35°C)
±1 x 10−7
≤ 5 x 10−9 per day or
≤2 x 10−7 per year
approx. 5 min at room temperature
option CMD-B2
10 MHz
≤5 x 10−9
≤3.5 x 10−8 per year
≤5 x 10−10 per day
approx. 10 min
option CMD-B3
GSM bit clock (270.8 kHz), 2/4/16
times GSM bit clock, 1 MHz to 13 MHz
in 1 MHz steps, 2.048, 26, 39, 52 MHz
10 MHz
100 Ω
632 mV (pp) to 5 V (pp)
10 MHz with internal reference or frequency at synchronization input with
external reference
5 V (pp), Rout = 50 Ω (10 MHz signal)
GSM bit clock, 2/4/16 times GSM bit
clock, 1, 2, 4 or 13 MHz
5 V (pp), Rout = 50 Ω
option CMD-B61
interface to IEC 625-1/IEEE 488,
SCPI-compatible command set
RS-232-C (9-contact)
Centronics (25-contact)
5°C to 45°C to DIN IEC 68-2-1/2
−40°C to +60°C
meets European EMC directive
(89/336/EEC)
to DIN IEC 68-2-6, 5 Hz to 55 Hz,
amplitude 0.15 mm, two cycles
to DIN 40046, part 24, 10 Hz to
300 Hz, 10 m/s2 rms, 5 min/axis
to MIL-STD-810 D, 400 m/s2,
shock spectrum in 6 main axes
90 V to 265 V, 45 Hz to 440 Hz
CMD 55: approx. 95 W
CMD 60: approx. 60 W
CMD 65: approx. 100 W
VDE 0411, class 1
435 mm x 192 mm x 363 mm
CMD 55: approx. 14 kg
CMD 60: approx. 12 kg
CMD 65: approx. 17 kg
Ordering information
Digital Radiocommunication Tester
CMD 50
CMD 53
CMD 52
CMD 55
CMD 60
CMD 65
Accessories supplied
power cord, operating manual, fuses
Calibration with Certificate
CMD-DCV2
0240.2193.08
CRT-Z2
1039.9005.02
CMD-Z1
CMD-Z50
CMU-Z10
CMU-Z11
ZZA-94
1059.5305.02
1059.4250.02
1150.0801.02
1150.1008.02
0396.4905.00
Recommended extras
GSM GPRS Test SIM Card
(essential for BER measurements)
Formatted Memory Card
(CMD-B62 required)
Handset
Antenna Coupler
Shielded Chamber for CMU-Z10
Rackmount Adapter
1050.9008.50
1050.9008.53
1050.9008.52
1050.9008.05
1050.9008.60
1050.9008.65
For further CMD models ask your local representative
Different specifications for CMD53/55/65 with
CMD-U13
Different specifications for CMD53/55/65 with
CMD-U18
The RF input 1 of the CMD53/55/65 with CMD-U13 is 10 dB more sensitive.
Therefore the following specifications differ from those of an unmodified CMD
RF generator 1 (TCH)
Output level range (RF IN/OUT)
Level error (RF IN/OUT)
RF OUT 2
−120 dBm to −15/−178)dBm
≤2 dB
(−15/−172) dBm to −35/−378) dBm)
≤1.5 dB (−35/−372) dBm to −120 dBm)
≤1.0 dB (at −104 dBm)
not available
Phase and frequency error measurement
−10 dBm to +37 dBm
Level range (RF IN/OUT)
RF generator 2 (BCCH)
Output level range (RF IN/OUT)
Level error (RF IN/OUT)
RF OUT 2
−120 dBm to −17/−198) dBm
≤2 dB
not available
Burst power measurement
Reference level range for full
dynamic range (RF IN/OUT)
GSM900:
GSM1800/1900:
Analyzer
Level range (RF IN/OUT)
Error peak power meter
Peak power meter (RF IN/OUT)
Measurement range
Maximum RF power
Error in GSM900 band
Error in GSM1800/1900 band
−10 dBm to +37 dBm
+37 dBm
≤0.5 dB + resolution (P >−6 dBm)
≤0.8 dB + resolution (P >−6 dBm)
0 dBm to +37 dBm
−10 dBm to +37 dBm
0 dBm to 40 dBm
GSM900: ≤0.5 dB + resolution
GSM1800/1900: ≤0.8 dB + resolution
The CMD53/55/65 with CMD-U13 have a different output level range at RF OUT 2
RF generator 1
Output level range (RF OUT 2)
−35 (−378)) dBm to −120 dBm
RF generator 2
Output level range (RF OUT 2)
−37 (−398) ) dBm to −120 dBm
Certified Environmental System
Certified Quality System
ISO 14001 ISO 9001
REG. NO 1954
Different specifications for CMD53/65 with
CMD-U20
Combined mode (BCCH and TCH in different GSM bands)
Level error of synthesizer 1
RF IN/OUT
<3 dB
RF OUT 2
<3 dB
Level error of synthesizer 2
RF IN/OUT
<3 dB
RF OUT 2
<3 dB
DQS REG. NO 1954
8)
In GSM1900 mode with option CMD-B19/-U19 fitted.
Digital Radiocommunication Testers CMD
15
1201 (Bi as)
Printed in Germany
PD 0757.2596.23 ⋅ Digital Radiocommunication Testers CMD ⋅ Trade names are trademarks of the owners ⋅ Subject to change ⋅ Data without tolerances: typical values
ROHDE&SCHWARZ GmbH & Co. KG ⋅ Mühldorfstraße 15 ⋅ 81671 München ⋅ Germany ⋅ P.O.B. 8014 69 ⋅ 81614 München ⋅ Germany ⋅ Telephone +49 89 4129-0
www.rohde-schwarz.com ⋅ Customer Support: Tel. +49 1805124242, Fax +49 89 4129-13777, E-mail: [email protected]
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